package com.cd.controller;

import java.util.Date;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

import com.cd.bean.News;
import com.cd.bean.Science;
import com.cd.bean.Technology;
import com.cd.service.technology.TechnologyService;
import com.cd.utils.UuidUtil;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;

/**
 * 技术服务
 *@Author zhk
 *@Date 2017-12-20
 **/
@RequestMapping("/tec")
@Controller
public class TechnologyController {

	@Autowired
	TechnologyService technologyService;
	
	/**
	 * 查询（带分页）
	 * @param pn
	 * @return
	 * @throws Exception
	 */
	@RequestMapping("/listTec")
	public ModelAndView findAllTechnology(@RequestParam(value = "pn",defaultValue="1")Integer pn) throws Exception {
		ModelAndView mv = new ModelAndView();
		PageHelper.startPage(pn, 15);//开始分页
	    List<Technology> list = technologyService.listAll();
		PageInfo page = new PageInfo(list,5);//设置分页信息
		mv.addObject("pageInfo", page);
		mv.setViewName("info/jsfw/jsfw");
		return mv;
	}
	
	/**
	 * 通过id查询
	 * @param id
	 * @return
	 * @throws Exception
	 */
	@RequestMapping("/findById")
	public ModelAndView findById(@RequestParam(value = "id") Integer id) throws Exception {
		ModelAndView mv = new ModelAndView();
		Technology tec = null;
		Technology nexttec = null;
		Technology pretec = null;
		int total = technologyService.size();//获取总记录
		int nextId = id+1;
		int preId = id-1;
		if(id <= total){
			if(id >= 1){
				tec = technologyService.findById(id);//当前条
				pretec = technologyService.findById(preId);//前一条
				nexttec = technologyService.findById(nextId);//下一条	
			}else {
				tec = technologyService.findById(id+1);
			}
		}else{
			tec = technologyService.findById(id-1);
		}
		mv.addObject("tec", tec);
		mv.addObject("pretec", pretec);
		mv.addObject("nexttec", nexttec);
		mv.setViewName("info/jsfw/jsfw_show");
		return mv;
	}
	/**
	 * 列表（后台）
	 * @param pn
	 * @return
	 * @throws Exception
	 */
	@RequestMapping("/list")
	public ModelAndView list(@RequestParam(value = "pn",defaultValue="1")Integer pn) throws Exception {
		ModelAndView mv = new ModelAndView();
		PageHelper.startPage(pn, 10);//开始分页,每页10条记录
	    List<Technology> list = technologyService.listAll();
		PageInfo page = new PageInfo(list,5);//设置分页信息
		mv.addObject("pageInfo", page);
		mv.setViewName("admin/jsfw/technology_list");
		return mv;
	}
	/**
	 * 去查看内容页面（后台）
	 * @param id
	 * @return
	 * @throws Exception
	 */
	@RequestMapping("/goContent")
	public ModelAndView goContent(@RequestParam(value="id")Integer id) throws Exception {
		ModelAndView mv = new ModelAndView();
		Technology technology = technologyService.findById(id);
		mv.addObject("technology", technology);
		mv.setViewName("admin/jsfw/technology_content");
		return mv;
	}
	
	/**
	 * 删除
	 * @param id
	 * @return
	 * @throws Exception
	 */
	@RequestMapping("/delete")
	public ModelAndView delete(@RequestParam(value="id")Integer id) throws Exception{
		ModelAndView mv = new ModelAndView();
		technologyService.delete(id);
		mv.setViewName("redirect:list.do");
		return mv;
	}
	
	/**
	 * 编辑（后台）
	 * @param id
	 * @param title
	 * @param content
	 * @return
	 * @throws Exception
	 */
	@RequestMapping("/edit")
	public ModelAndView eidt(@RequestParam(value="TECHNOLOGY_ID")Integer id,@RequestParam(value="TECHNOLOGY_TITLE")String title,
			                 @RequestParam(value="TECHNOLOGY_CONTENT")String content ) throws Exception {
			ModelAndView mv = new ModelAndView();
			Technology technology = technologyService.findById(id);
			technology.setTECHNOLOGY_TITLE(title);
			technology.setTECHNOLOGY_CONTENT(content);
			technology.setPUBLISH_DATE(new Date());
			technologyService.edit(technology);
			mv.setViewName("redirect:list.do");
		return mv;
	}
	/**
	 * 新增（后台）
	 * @param title
	 * @param content
	 * @return
	 * @throws Exception
	 */
	@RequestMapping("/save")
	public ModelAndView save(@RequestParam(value="TECHNOLOGY_TITLE") String title,@RequestParam(value="TECHNOLOGY_CONTENT") String content,
			@RequestParam(value="TECHNOLOGY_LEVEL") Integer level,@RequestParam(value="TECHNOLOGY_RESOURCE") String resource) throws Exception {
		ModelAndView mv = new ModelAndView();
		//int total = technologyService.size();
		Technology technology = new Technology();
		//technology.setTECHNOLOGY_ID(total+1);
		technology.setTECHNOLOGY_TITLE(title);
		technology.setTECHNOLOGY_CONTENT(content);
		technology.setTECHNOLOGY_LEVEL(level);
		technology.setPUBLISH_DATE(new Date());
		technology.setTECHNOLOGY_RESOURCE(resource);
		technologyService.save(technology);
		mv.setViewName("redirect:list.do");
		return mv;
	}
	
	/**
	 * 去编辑界面
	 * @param id
	 * @return
	 * @throws Exception
	 */
	@RequestMapping("/goEdit")
	public ModelAndView goEdit(@RequestParam(value="id")Integer id) throws Exception {
		ModelAndView mv = new ModelAndView();
		Technology technology = technologyService.findById(id);
		mv.addObject("technology", technology);
		mv.setViewName("admin/jsfw/technology_edit");
		return mv;
	}
	
	/**
	 * 去新增页面
	 * @return
	 */
	@RequestMapping("/goAdd")
	public ModelAndView saveView() throws Exception {
		ModelAndView mv=new ModelAndView();
		mv.setViewName("admin/jsfw/technology_add");
		return mv;
	}
	/**
	 * 
	 * 批量删除
	 * @param request
	 * @param response
	 */
	@RequestMapping("/del")  
	public void batchDeletes(HttpServletRequest request, HttpServletResponse response) {  
	    String items = request.getParameter("delitems");
	    System.out.println(items);  
	    String[] strs = items.split(",");  
	  
	    for (int i = 0; i < strs.length; i++) {  
	        try {  
	            int a = Integer.parseInt(strs[i]);  
	            technologyService.delete(a);  
	        } catch (Exception e) {  
	        }  
	    }  
	} 
	
}
